Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:





MnDetails
2317169
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
18537353824.1old
347575351928.42008-07-14 20:22:59
40942814643467531651.92014-07-13 12:34:54
ECM
DigitsB1Curves
2550000280 / 280
30250000124 / 640
Estimated T-Level: 26.0
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-11Oliver Kruse1B614BC443F860233013
Verified
PRP without proof (not generated)
2017-11-23storm55101B614BC443F86023342002513
History
DateUserTypeResult
2021-04-07ViliamFNF-PM1B1=5000000, B2=505000000
2018-02-26alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2317169/18537353/347575351/4094281464346753 : 1B614BC443F86023
2017-10-11Oliver KruseC-PRPM2317169/18537353/347575351/4094281464346753 : 1B614BC443F86023
2014-07-13TJAOIFFactor: 4094281464346753
2008-07-14George WoltmanF-ECMFactor: 347575351